How many movies have Hideki Takahashi and Tadashi Sakazaki collaborated on?

They have worked on 7 movies together! Their first movie together was One Piece: Baron Omatsuri and the Secret Island (2005) while their highest rated movie together was Wolf Children (2012). They have not worked together since Belle (2021). They are most known for their animation films together.

Belle (2021)

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The Boy and the Beast (2015)

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Blue Exorcist: The Movie (2012)

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Wolf Children (2012)

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Summer Wars (2009)

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The Girl Who Leapt Through Time (2006)

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One Piece: Baron Omatsuri and the Secret Island (2005)

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